14421007 has 4 divisors (see below), whose sum is σ = 14431720. Its totient is φ = 14410296.

The previous prime is 14420969. The next prime is 14421047. The reversal of 14421007 is 70012441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14421007 - 2¹¹ = 14418959 is a prime.

It is the 3798-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14421047) by changing a digit.

It is a nontrivial repunit in base 3797.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2988 + ... + 6145.

It is an arithmetic number, because the mean of its divisors is an integer number (3607930).

Almost surely, 2^14421007 is an apocalyptic number.

14421007 is a deficient number, since it is larger than the sum of its proper divisors (10713).

14421007 is an equidigital number, since it uses as much as digits as its factorization.

14421007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10712.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 14421007 is about 3797.5000987492. The cubic root of 14421007 is about 243.4063268017.

Adding to 14421007 its reverse (70012441), we get a palindrome (84433448).

The spelling of 14421007 in words is "fourteen million, four hundred twenty-one thousand, seven".